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Forces and Motions 1

Total questions: 41

Worksheet time: 55mins

Name
Class
Date
1.

.....................are the pushes and pulls that affect motion.

a)

Forces

b)

Gravity

c)

Mass

d)

Air Resistance

2.

.....................is a force that pulls objects together. On Earth, it is a force that pulls all objects to Earth's center.

a)

Forces

b)

Air Resistance

c)

Gravity

d)

Mass

3.

..................is the amount of matter in an object

a)

Matter

b)

Mass

c)

Force

d)

Gravity

4.

...................is a force caused by two things rubbing against each other.

a)

Force

b)

Friction

c)

Gravity

d)

Mass

5.

................and.................are forces that affect the motion of all objects.

a)

Mass and Distance

b)

Gravity and Force

c)

Friction and Gravity

d)

Gravity and Mass

6.

Forces that are equal in size and opposite in direction are called...............

a)

balanced forces

b)

unbalanced forces

7.

.................states that an object in motion stays in motion unless acted upon by and unbalanced force; an object at rest stays at rest unless acted upon by an unbalanced force.

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

8.

..................of motion explains how acceleration, force, and mass are related. It says an object's acceleration depends on the mass of the object and the size of the force acting on it.

a)

Newton's First Law

b)

Newton's Third Law

c)

Newton's Second Law

9.

The same ..................will accelerate a small mass more than a large mass.

a)

mass

b)

force

10.

The downward force is and the upward force is .

a)

Gravity/ air resistance

b)

Air resistance/ Gravity

c)

Mass/ Distance

11.
The term for when an object speeds up, slows down, or changes direction
a)
Speed
b)
Velocity
c)
Acceleration
d)
Newtons
12.
How much force is required to accelerate 10 kg at a rate of 100 m/s2?
a)
1,000kg
b)
10N
c)
10kg
d)
1,000N
13.
What is the acceleration of a 50 kg object pushed with a force of 2,500 newtons?
a)
75,000N
b)
50N
c)
2500N
d)
50m/s2
14.
18 km/s in a northerly direction is an example of
a)
velocity
b)
Speed
c)
acceleration
d)
momentum
15.
The net force of the following diagram is
a)
20 N
b)
Moving to the left
c)
Balanced forces
d)
160 N
16.
Which graph best represents a graph of a car travelling down a freeway at a CONSTANT speed?
a)
A
b)
B
c)
C
d)
D
17.
If a 100 N force acts on a 50 kg car, what will the acceleration be? ( F= m x a)
a)
500m/s2
b)
2m/s2
c)
50m/s2
d)
150 m/s2
18.
If forces acting on an object are balanced, then there _________ be a change in motion
a)
will
b)
will not
19.
When an object is acted on by unbalanced forces, the object will 
a)
continue in the same direction
b)
continue at the same speed
c)
accelerate in the direction of the unbalanced force
d)
will have no change in motion
20.
How are speed and velocity different?
a)
Speed includes direction
b)
Speed indicates momentum
c)
Velocity includes Momentum
d)
Velocity includes direction
21.
a change in position is defined as
a)
force
b)
motion
c)
speed
d)
acceleration
22.
What is the speed of the object represented by the graph?
a)
0.5 m/s
b)
2 m/s
c)
5 m/s
d)
4 m/s
23.
The net force of the following diagram is
a)
620N→
b)
To the right→
c)
20N←
d)
balanced↔
24.
The runner's motion as they turned the curve to pass the baton is best described as
a)
speed
b)
force
c)
acceleration
d)
velocity
25.
The snail is traveling at 5 cm/hr. This is an example of
a)
speed
b)
forces
c)
acceleration
d)
velocity
26.
A satellite orbits the Earth at a constant speed. The forces that maintain the constant speed must be -
a)
BALANCED
b)
UNBALANCED
c)
CANCELLED
d)
DISPLACED
27.
A student slides a book across a desk by giving it an initial push. Which of the following is the MOST important reason that the book eventually comes to a stop instead of continuing to slide?
a)
The initial force was too weak to keep the book in motion.
b)
The mass of the book was not enough to keep the book in motion.
c)
The force that occurs when the book rubs against the desk stops the book.
d)
The magnetic force from the Earth stops the book.
28.
Roller coasters use potential and kinetic energy to move carts around the track. Which selection below organizes the points of potential energy from GREATEST to LEAST?
a)
6,4,1
b)
1,4,6
c)
2,3,5
d)
5,3,2
29.
Potential energy refers to objects that have ________________________ .
a)
changing chemically
b)
stored energy
c)
in motion
d)
changing electrically
30.
Potential energy refers to objects that have ________________________ .
a)
changing chemically
b)
stored energy
c)
in motion
d)
changing electrically
31.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
32.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
33.
The force that causes a ball to fall to the ground is ____________________________
a)
gravity
b)
lubricant
c)
friction
d)
motion
34.
The measure of the force of gravity on your body is your _________________
a)
height
b)
length
c)
weight
d)
age
35.
A push or pull that causes an object to move, stop, or change direction.
a)
force
b)
motion
c)
energy
d)
inertia
36.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
37.
_____ is the force that slows and stops motion between touching objects.
a)
Friction
b)
Gravity
c)
Pull
d)
Push
38.
A _____ is a pull or a push.
a)
force
b)
friction
c)
gravity
d)
speed
39.
What keeps the Moon in orbit around Earth?
a)
Earth's rotation.
b)
Earth's atmosphere.
c)
Earth's gravity.
d)
Earth's shape.
40.
Is gravity a push or a pull?
a)
push
b)
pull
c)
neither
d)
both
41.
Philip is playing tug of war with Nancy. They both understand that to win the game of tug of war, one player must pull the flag over their opponent's line, but during this particular game, the flag tied to the center of the rope is not moving.What is happening to the rope in this example?
a)
Philip is applying more force in one direction. 
b)
Nancy is applying more force in one direction. 
c)
Philip and Nancy are applying equal forces in the same direction. 
d)
Philip and Nancy are applying equal forces in opposite directions. 

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